锅炉给水泵冬季如何防冻?
参考答案:
运行泵无须防冻。备用泵防冻注意:(1)冷却稍开常流。(2)关闭泵进出口阀,打开丝堵,排尽水。(3)定时盘车2次/小时。
患者女性,12岁,因“烧伤后瘢痕挛缩、畸形”来诊。6个月前患者家中不慎失火致全身多处烧伤,经当地医院治疗4个月后好转出院。现在全身多处瘢痕增生突起,瘙痒。整个面部均见红色瘢痕,鼻翼缺失,左、右两侧上睑和下睑外翻,双眼闭合不全,小口畸形。颈部瘢痕挛缩致颏颈粘连,颈颏角消失,能闭口。双手呈“爪形手”,腘窝瘢痕挛缩,屈曲畸形,直立行走受限。腋窝瘢痕挛缩,双上肢外展受限。会阴部瘢痕挛缩,部分遮盖 * * 口。
该患者颈部的瘢痕挛缩畸形程度属于()
A.Ⅰ度
B.Ⅱ度
C.Ⅲ度
D.Ⅳ度
E.Ⅴ度
A () is a pre-contract agreement that formally establishes the intent of one party to buy products or services from another party and establishes some preliminary consideration in order to reserve resources for the anticipated contract.
A.seller initial response
B.memorandum of understanding
C.letter of intent
D.letter contract